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Related papers: Fluctuations in Arctic Sea Ice Extent: Comparing O…

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We present ice-free and ice-included statistics for the Baltic Sea using a wave hindcast validated against data from 13 wave measurement sites. In the hindcast 84% of wave events with a significant wave height over 7 m occurred between…

Monitoring and modelling the power grid frequency is key to ensuring stability in the electrical power system. Many tools exist to investigate the detailed deterministic dynamics and especially the bulk behaviour of the frequency. However,…

Physics and Society · Physics 2021-05-04 Leonardo Rydin Gorjão , Luigi Vanfretti , Dirk Witthaut , Christian Beck , Benjamin Schäfer

We present measurements of the thermal fluctuations of the free surface of an aging colloidal suspension, Laponite. The technique consists in measuring the fluctuations of the position of a laser beam that reflects from the free surface.…

Soft Condensed Matter · Physics 2015-05-13 Alexandre Mamane , Christian Frétigny , François Lequeux , Laurence Talini

Statistical properties of the scrape-off layer (SOL) plasma fluctuations are studied in ohmically heated plasmas in the Alcator C-Mod tokamak. For the first time, plasma fluctuations as well as parameters that describe the fluctuations are…

Plasma Physics · Physics 2020-11-11 R. Kube , A. Theodorsen , O. E. Garcia , D. Brunner , B. LaBombard , J. L. Terry

We present here formal evidence of a strong linkage between temperature and East Antarctic ice accumulation over the past eight hundred kiloyears, after accounting for thinning. The conclusions are based on statistical analysis of a…

Atmospheric and Oceanic Physics · Physics 2023-09-27 Radhendushka Srivastava , Debasis Sengupta , Prosenjit Ghosh

We analyze the numerical solutions of a stochastic Arctic sea ice model with multiplicative noise over a wide range of external heat-fluxes, $\Delta F_0$, which correspond to greenhouse gas forcing. When the noise is multiplicative, the…

Atmospheric and Oceanic Physics · Physics 2017-05-05 Woosok Moon , John S. Wettlaufer

Sea-Ice drift affects various global processes including the air-sea-ice energy system, numerical ocean modelling, and maritime activity in the polar regions. Drift has been investigated via various technologies ranging from satellite based…

Signal Processing · Electrical Eng. & Systems 2023-07-21 James H. Hepworth , Amit Kumar Mishra

We present the detection and characterization of fluctuations in linearly polarized emission from the atmosphere above the South Pole. These measurements make use of data from the SPT-3G receiver on the South Pole Telescope in three…

In this paper, we present a semiparametric model for describing the effect of temperature on Antarctic ice accumulation on a paleoclimatic time scale. The model is motivated by sharp ups and downs in the rate of ice accumulation apparent…

Methodology · Statistics 2025-07-29 Radhendushka Srivastava , Debasis Sengupta

At present, research on sound propagation under the Arctic ice mainly focuses on modeling and experimental verification of sound propagation under sea ice cover and unique sound velocity profiles. Among them, the main research object of…

Sound · Computer Science 2023-11-14 Jinbao Weng , Yubo Qi , Yanming Yang , Hongtao Wen , Hongtao Zhou , Ruichao Xue

Temperature fluctuations in an atmospheric convective boundary layer are investigated by means of Large Eddy Simulations (LES). A statistical characterization for both weak temperature fluctuations and strong temperature fluctuations has…

Atmospheric and Oceanic Physics · Physics 2009-11-07 M. Antonelli , A. Mazzino , U. Rizza

A theoretical model is used to study water waves propagating into and through a region containing thin floating ice, for ice covers transitioning from consolidated (large floe sizes) to fully broken (small floe sizes). The degree of…

Fluid Dynamics · Physics 2023-11-27 Jordan P. A Pitt , Luke G. Bennetts

Counts of galaxies as a function of apparent magnitude are among the most time-honored observations in cosmology. In this Letter, we focus on some statistical properties of these counts which are fundamental in order to characterize the…

Astrophysics · Physics 2007-05-23 Francesco Sylos Labini , Andrea Gabrielli

The state of the atmosphere is governed by the classical laws of fluid motion and exhibits correlations in various spatial and temporal scales. These correlations are crucial to understand the short and long term trends in climate. Cirrus…

Statistical Mechanics · Physics 2015-06-24 K. Ivanova , T. P. Ackerman , E. E. Clothiaux , P. Ch. Ivanov , H. E. Stanley , M. Ausloos

Meteorological data have been used to calculate refractive index fluctuations - the indicator of optical instability of the Earth's atmosphere. The calculations were made for standard pressure levels of the atmosphere in winter and summer.…

Instrumentation and Methods for Astrophysics · Physics 2011-01-21 Pavel G. Kovadlo , Olga S. Kochetkova

We study statistical properties of stochastic variations in pulse arrival times, timing noise, in radio pulsars using a new analysis method applied in the time domain. The method proceeds in two steps. First, we subtract low-frequency…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Steve Price , Bennett Link , Steve Shore , David Nice

Refractive scintillation effects are powerful techniques for discriminating between different models proposed for the electron density fluctuation spectrum in the ISM. Data from our long-term scintillation study of 18 pulsars in the DM…

Astrophysics · Physics 2009-10-31 N. D. Ramesh Bhat , Yashwant Gupta , A. Pramesh Rao

Ambient noise in the eastern Arctic was studied from April to September 2013 using a 22 element vertical hydrophone array as it drifted from 89$^\circ$23'N, 64$^\circ$35'W to 83$^\circ$45'N, 4$^\circ$28'W. The hydrophones recorded for 108…

Geophysics · Physics 2017-07-24 Emma Reeves , Peter Gerstoft , Peter Worcester , Matthew Dzieciuch , Aaron Thode

We assess the dependence of Earth's disk-integrated mid-infrared thermal emission spectrum on observation geometries and investigate which and how spectral features are impacted by seasonality on Earth. We compiled an exclusive dataset…

Earth and Planetary Astrophysics · Physics 2023-04-04 Jean-Noel Mettler , Sascha P. Quanz , Ravit Helled , Stephanie L. Olson , Edward W. Schwieterman

This paper deals with an estimating of the Fractal Dimension of a hydrometeorology variables like an Air temperature or humidity at a different sites in a landscape (and will be further evaluated from the land use point of view). Three…

Data Analysis, Statistics and Probability · Physics 2015-12-04 Jakub Jura , Aleš Antonín Kuběna , Martina Mironovová
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